Handset telephone



FIG. 1 is a top and left side perspective view of a handset telephone showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevation thereof; the left side being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation thereof; and

FIG. 6 is a front elevation thereof. 

The ornamental design for a handset telephone, as shown and described. 